43141515379 has 2 divisors, whose sum is σ = 43141515380. Its totient is φ = 43141515378.

The previous prime is 43141515343. The next prime is 43141515433. The reversal of 43141515379 is 97351514134.

43141515379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43141515379 - 2³³ = 34551580787 is a prime.

It is a super-2 number, since 2×43141515379² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43141515479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21570757689 + 21570757690.

It is an arithmetic number, because the mean of its divisors is an integer number (21570757690).

Almost surely, 2^43141515379 is an apocalyptic number.

43141515379 is a deficient number, since it is larger than the sum of its proper divisors (1).

43141515379 is an equidigital number, since it uses as much as digits as its factorization.

43141515379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 43.

The spelling of 43141515379 in words is "forty-three billion, one hundred forty-one million, five hundred fifteen thousand, three hundred seventy-nine".